Tag Harvey S. Singer

Drug Appendix

Acetazolamide Actions: A weak diuretic and carbonic anhydrase inhibitor. Contraindications: Hyponatremia, hypokalemia, hyperchloremic acidosis, adrenocortical insufficiency, a history of allergy to sulfa drugs (a sulfonamide derivative), and significant renal, or hepatic dysfunction. Main drug interactions: Increases the serum levels of…

Functional Movement Disorders

Introductions A common presenting problem in neurology is the existence of disorders that present with neurological symptoms, but that are atypical for and incongruent with known neurologic disorders. Many different terms have been used to describe these disorders including “hysterical,…

Cerebral Palsy

Introduction The term cerebral palsy ( CP ) has been considered by some to be a nonspecific “wastebasket” and by others a valuable diagnostic tool that provides individuals with greater access to medical care, rehabilitation, educational, and social services. The…

Movement Disorders in Autoimmune Diseases

Introduction An autoimmune disorder indicates an acquired process targeting the nervous system involving either autoreactive lymphocytes (T or B cells) or autoantibodies. These disorders are complex, multifactorial entities with potential involvement of underlying genetic vulnerabilities, innate and acquired immune systems,…

Hereditary Spastic Paraplegia

Introduction and Overview This chapter focuses on the clinically and genetically heterogeneous neurodegenerative disorders known as hereditary spastic paraplegias (HSPs), emphasizing those that may begin in childhood. The primary feature of these diseases is bilateral leg spasticity when walking. ,…